Angwaomaodoko, Ejuchegahi, and Edime Yunusa. “Ethnocentrism and Social Cohesion in Multi-Ethnic Societies: A Systematic Review of Evidence from Africa”. GPH-International Journal of Educational Research 9, no. 7 (July 31, 2026): 01-24. Accessed August 13, 2026. https://gphjournal.org/index.php/er/article/view/2542.